Quantitative Aptitude - Arithmetic Ability Questions

30 men working 5 hours a day can do a task in 16 days. In how many days will 40 men working 6 hours a day do the same task?

What is the slope of the line perpendicular to the line passing through the points (8,­2) and (3,­1)?

An angle is greater than its complementary angle by 30°. Find the measure of the angle?

Which of the following quadratic equations has equal roots?

In figure 'O' is the centre of a circle. The area of sector OAPB is 5/18. of the area of the circle find 'x'.

Working together P, Q and R reap a field in 6 days. If P can do it alone in 10 days and Q in 24 days, in how many days will R alone be able to reap the field?

A train leaves Kazipet at 5 a.m. and reaches Bangalore at 3 p.m. Another train leaves Bangalore at 7 a.m. and reaches Kazipet at 5 p.m. When do the two trains meet? Assume that the trains travels at equal uniform speeds.

What is the value of (tan45° + 1/√2) ?